MCQOPTIONS
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MCQOPTIONS
This section includes 255 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge (GK) knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which of the following is used for making magnets? |
| A. | duralumin |
| B. | magnalium |
| C. | bronze |
| D. | alnico |
| Answer» E. | |
| 102. |
The temperature of the Sun is measure with |
| A. | platinum thermometer |
| B. | gas thermometer |
| C. | pyrometer |
| D. | vapour pressure thermometer |
| Answer» D. vapour pressure thermometer | |
| 103. |
The red or Orange coating that forms on the surface of iron when exposed to air and moisture for some time is called |
| A. | galvanization |
| B. | electroplating |
| C. | rust |
| D. | reduction |
| Answer» D. reduction | |
| 104. |
What should be added to pure iron to make stainless steel? |
| A. | nickel and cobalt |
| B. | cadmium and chromium |
| C. | nickel and cadmium |
| D. | chromium and nickel |
| Answer» E. | |
| 105. |
The tip of the lead pencil is made of |
| A. | lead |
| B. | graphite |
| C. | zinc |
| D. | charcoal |
| Answer» C. zinc | |
| 106. |
Glass used for making wind screens of automobiles is |
| A. | hard glass |
| B. | photo chromatic glass |
| C. | safety glass |
| D. | optical glass |
| Answer» D. optical glass | |
| 107. |
Ordinary glass is a mixture of |
| A. | sodium silicate, Calcium silicate |
| B. | sodium silicate, Calcium silicate and Silica |
| C. | sodium silicate and Silica |
| D. | none of the above |
| Answer» B. sodium silicate, Calcium silicate and Silica | |
| 108. |
The most abundant element in the sun s atmosphere is |
| A. | xenon |
| B. | argon |
| C. | hydrogen |
| D. | oxygen |
| Answer» D. oxygen | |
| 109. |
Annealing is done to |
| A. | increase brittleness |
| B. | increase Transparency |
| C. | decrease brittleness |
| D. | increase refractive index |
| Answer» D. increase refractive index | |
| 110. |
Steel is preferred over iron in construction of ships because |
| A. | melting point of steel is higher than Iron |
| B. | steel is more uniform than Iron |
| C. | steel does not rust |
| D. | tensile strength of steel is not high |
| Answer» D. tensile strength of steel is not high | |
| 111. |
The carbon content in steel is |
| A. | 0.1 5.0% |
| B. | 2.0 2.5% |
| C. | 0.1 1.5% |
| D. | less than 0.1 |
| Answer» D. less than 0.1 | |
| 112. |
The main constituents of cement are: |
| A. | calcium oxide, silicon dioxide, Aluminium oxide |
| B. | calcium oxide, Iron oxide, Sulphur dioxide |
| C. | magnesium oxide, Silicon dioxide, Aluminium oxide |
| D. | none of these |
| Answer» B. calcium oxide, Iron oxide, Sulphur dioxide | |
| 113. |
Permanent magnets can be made from |
| A. | Ni steel |
| B. | cobalt steel |
| C. | stainless steel |
| D. | wrought iron |
| Answer» E. | |
| 114. |
The function of vitamin K is in |
| A. | regulation of calcium and phosphorus metabolism |
| B. | blood clotting |
| C. | respiration |
| D. | carbohydrate metabolism |
| Answer» D. carbohydrate metabolism | |
| 115. |
The process of making soap by the hydrolysis of fats and oils with alkalis is called |
| A. | hydrolysis |
| B. | saponification |
| C. | esterification |
| D. | none of these |
| Answer» C. esterification | |
| 116. |
A thick paste of cement, sand and water is called |
| A. | concrete |
| B. | mortar |
| C. | slurry |
| D. | moderator |
| Answer» C. slurry | |
| 117. |
Blood groups in man were discovered by |
| A. | Mendel |
| B. | Francis Nelson |
| C. | S. Miller |
| D. | Landsteiner |
| Answer» E. | |
| 118. |
Rh factor was discovered by |
| A. | William Harvey |
| B. | Landsteiner |
| C. | Robert Hook |
| D. | C. De Duve |
| Answer» C. Robert Hook | |
| 119. |
Rh factor is named after |
| A. | Drosophila |
| B. | a Monkey |
| C. | a Rat |
| D. | a Man |
| Answer» C. a Rat | |
| 120. |
Excretion means |
| A. | removal of substances present in excess |
| B. | formation of those substances that have some role in the body |
| C. | removal of such substances that have never been part of the body |
| D. | all of the above |
| Answer» B. formation of those substances that have some role in the body | |
| 121. |
The two kidneys lie |
| A. | at the level of ovaries |
| B. | at the same level |
| C. | left kidney at a higher level than the right one |
| D. | right kidney at a higher level than the left one |
| Answer» D. right kidney at a higher level than the left one | |
| 122. |
A mammal excretes nitrogen in the form of |
| A. | ammonium ions |
| B. | amino acids |
| C. | urea |
| D. | uric acid |
| Answer» D. uric acid | |
| 123. |
Function of glomerulus in mammalian kidney is |
| A. | reasbsorption of salts |
| B. | urine formation through blood filtration |
| C. | urine collection |
| D. | all of the above |
| Answer» C. urine collection | |
| 124. |
The basic unit of a vertebrate kidney is the |
| A. | ureter |
| B. | nephron |
| C. | malpighian tubule |
| D. | islets of Langerhans |
| Answer» C. malpighian tubule | |
| 125. |
Kidneys are not only organs of excretion. Their work is supplemented by |
| A. | liver |
| B. | heart |
| C. | large intestine |
| D. | skin |
| Answer» B. heart | |
| 126. |
The reabsorption of glucose in a nephron occurs in |
| A. | loop of Henle |
| B. | first half of proximal tubule |
| C. | distal convoluted tubule |
| D. | proximal part of collecting ducts |
| Answer» C. distal convoluted tubule | |
| 127. |
The reserve food in fungal cell is |
| A. | glucose |
| B. | fructose |
| C. | glycogen |
| D. | starch |
| Answer» D. starch | |
| 128. |
Striated muscles are found in |
| A. | gallbladder |
| B. | wall of bladder |
| C. | leg muscles |
| D. | lungs |
| Answer» D. lungs | |
| 129. |
Strongest cartilage is |
| A. | hyaline cartilage |
| B. | fibrous cartilage |
| C. | elastic cartilage |
| D. | none of the above |
| Answer» C. elastic cartilage | |
| 130. |
Axial skeleton in man is made up of |
| A. | 126 bones |
| B. | 100 bones |
| C. | 103 bones |
| D. | 80 bones |
| Answer» E. | |
| 131. |
Strongest muscle in the body is present in |
| A. | arm |
| B. | jaw |
| C. | thigh |
| D. | neck |
| Answer» D. neck | |
| 132. |
Skull of man is made up of |
| A. | 10 bones |
| B. | 22 bones |
| C. | 30 bones |
| D. | 24 bones |
| Answer» C. 30 bones | |
| 133. |
In man ribs are attached to |
| A. | calvicle |
| B. | ileum |
| C. | sternum |
| D. | scapula |
| Answer» D. scapula | |
| 134. |
Longest bone is that of |
| A. | humerus |
| B. | stapes |
| C. | femur |
| D. | radio-ulna |
| Answer» D. radio-ulna | |
| 135. |
The smallest bone in mammals is |
| A. | septomaxillary |
| B. | dentary |
| C. | femur |
| D. | stapes |
| Answer» E. | |
| 136. |
The longest cell in the body of an animal is |
| A. | osteocytes |
| B. | neuron |
| C. | chromatophores |
| D. | lymph corpuscles |
| Answer» C. chromatophores | |
| 137. |
Which cell stops dividing after birth? |
| A. | glial cells |
| B. | epithelium |
| C. | liver |
| D. | neuron |
| Answer» E. | |
| 138. |
Therm is the unit of |
| A. | heat |
| B. | temperature |
| C. | thermometry |
| D. | work |
| Answer» B. temperature | |
| 139. |
Pascal is the unit for |
| A. | pressure |
| B. | thrust |
| C. | buoyant force |
| D. | None of these |
| Answer» B. thrust | |
| 140. |
Among metals, the poorest conductor of heat is |
| A. | lead |
| B. | tin |
| C. | bismuth |
| D. | mercury |
| Answer» B. tin | |
| 141. |
Inertia is that property of a body by virtue of which the body is |
| A. | unable to change by itself the state, the rest |
| B. | unable to change by itself the state of uniform motion |
| C. | unable to change by itself the direction of motion |
| D. | unable to change by itself the state of rest and of |
| Answer» E. | |
| 142. |
A person is standing in a elevator. In which situation, he finds his weight less than actual when |
| A. | the elevator moves upward with constant acceleration |
| B. | the elevator moves downward with constant acceleration |
| C. | the elevator moves upward with uniform velocity |
| D. | the elevator moves downward with uniform velocity |
| Answer» C. the elevator moves upward with uniform velocity | |
| 143. |
A. The resistance of super conductor is zero. B. The super conductor are used for the transmission of electric power. |
| A. | A and B are true |
| B. | A and B are false |
| C. | A is true and B is false |
| D. | A is false and B is false |
| Answer» D. A is false and B is false | |
| 144. |
Which of the following types of waves is different from others? |
| A. | Light waves |
| B. | X-rays |
| C. | Radio waves |
| D. | Sound waves |
| Answer» E. | |
| 145. |
Which chamber of the heart has the thickest muscular walls |
| A. | right atrium |
| B. | left atrium |
| C. | right ventricle |
| D. | left ventricle |
| Answer» E. | |
| 146. |
The smallest blood vessel in the body is a |
| A. | capillary |
| B. | artery |
| C. | vena cava |
| D. | vein |
| Answer» B. artery | |
| 147. |
The first thermometer was developed by |
| A. | Joule |
| B. | Fahrenheit |
| C. | Galileo |
| D. | Watt |
| Answer» D. Watt | |
| 148. |
The planet having the largest number of satellites amongst the following is |
| A. | Jupiter |
| B. | Saturn |
| C. | Uranus |
| D. | Mars |
| Answer» C. Uranus | |
| 149. |
Bulliform cells are present in |
| A. | lower epidermis of monocot leaves |
| B. | upper epidermis of monocot leaves |
| C. | dicot stem |
| D. | upper epidermis of dicot leaves |
| Answer» B. upper epidermis of monocot leaves | |
| 150. |
The correct order of electrical conductivity is |
| A. | Al > Au > Cu > Ag |
| B. | Cu > Ag > Al > Au |
| C. | Au > Ag > Al > Cu |
| D. | Ag > Cu > Au > Al |
| Answer» E. | |